Corundum Luster
Optical Properties of Corundum are its behavioral responses towards light. While few optical properties can be identified with naked eyes, other require special instruments by the gemologists to identify them. Corundum optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.
Corundum luster is the quantity of light the crystal reflects when light is incident on it. Corundum which is commonly found in Violet, Blue, Red, Yellow, Brown, gray color, is Translucent and Transparent in nature. It possess Adamantine and Vitreous luster.